fbdev/xen-fbfront: Select FB_SYS_HELPERS_DEFERRED

The Kconfig token FB_SYS_HELPERS_DEFERRED selects everything that
is required for deferred I/O on system-memory framebuffers. Select
it from XEN_FBDEV_FRONTEND in favor of the existing identical selection.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230706151432.20674-10-tzimmermann@suse.de

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 3d6c3718de73d620d48f656e1433dea63342a6fa..c12c166be7d1aa3c1b0df119855eadafd6e26b47 100644 (file)
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -2065,11 +2065,7 @@ config FB_VIRTUAL
 config XEN_FBDEV_FRONTEND
        tristate "Xen virtual frame buffer support"
        depends on FB && XEN
-       select FB_SYS_FILLRECT
-       select FB_SYS_COPYAREA
-       select FB_SYS_IMAGEBLIT
-       select FB_SYS_FOPS
-       select FB_DEFERRED_IO
+       select FB_SYS_HELPERS_DEFERRED
        select XEN_XENBUS_FRONTEND
        default y
        help